KeyDown事件
If e.keycode = 13 Then
Dim fdr As DataRow = DataTables("领取表").find("编码 = '" & e.sender.Text & "'")
If fdr Is Nothing Then
e.form.controls("TextBox2").Text = Nothing
msgbox("没有找到")
Else
Dim idx As Integer = Date.Today.Day
fdr("领取_" & idx) = True
e.form.controls("TextBox2").Text = fdr("姓名")
End If
e.cancel = True
End If